APA aipamena

 Proakis, J. G. (2014).  Digital Signal Processing.  Pearson Education, Inc.

Chicago Style aipamena

 Proakis, John G.  Digital Signal Processing.  Pearson Education, Inc, 2014.

MLA aipamena

 Proakis, John G.  Digital Signal Processing.  Pearson Education, Inc, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.